A toothbrush holder which has a case having an inside portion adapted and sized for holding a toothbrush in the inside portion. The bottom portion of the case having at least one opening enabling liquids to drain from an inside the case. The top portion of the case having an aerosol restrictor, which allows liquid from the inside of the case to evaporate through openings in the aerosol restrictor, but which prevents aerosolized liquids from an outside of the case from reaching the inside of the case. The aerosol restrictor includes multiple inwardly facing baffles, each baffle blocking a portion of an opening on the top portion of the case, and the multiple baffles collectively blocking any direct path for aerosolized droplets between an outside of the case and the inside of the case. Each baffle includes an upwardly facing spike which forms a high point of the baffle reaching towards a top of the case and a downwardly facing indent which forms a low portion of the baffle.